Journal
ENERGY ECONOMICS
Volume 123, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.eneco.2023.106735
Keywords
Energy -environmental efficiency; Heterogeneous environmental policy; instruments; Marketization; Dynamic panel threshold model; Provincial metal sector
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Based on the new structural economics view, this study explores the combination of environmental policy instruments and marketization to improve the total factor energy-environmental efficiency in China's metal sector. The evaluation results indicate an increasing trend in energy-environmental efficiency, but with disparities between sub-sectors and regions. The study also verifies the efficacy of different environmental policy instruments, with the threshold values of marketization varying for each instrument.
Based on the new structural economics view that the combination of effective governments and efficient markets is the fundamental path to high-quality development, this study investigates how heterogeneous environmental policy instruments combine with marketization to improve the total factor energy-environmental efficiency (TFEEE) in China's metal sector. Utilizing the provincial panel data from 2006 to 2019, a super-efficiency slacksbased measure data envelopment analysis (SBM-DEA) integrated with the global Malmquist-Luenberger (GML) index is employed to estimate the energy-environmental efficiency and its dynamic changes. The evaluation results imply a significant increasing trend in the energy-environmental efficiency, but the overall level is rather low with disparities between sub-sectors and different regions. Using a dynamic panel threshold model, the strong version of the Porter Hypothesis is validated that command-and-control environmental policy (CEP), market-incentive environmental policy (MEP), and voluntary environmental policy (VEP) have an optimum stringency range to induce TFEEE growth, while the impact modes are drastically diverse. Further study verifies that higher marketization is conducive to triggering the facilitation effect of heterogeneous environmental policy instruments on the TFEEE but with completely different threshold values of marketization, which decrease sequentially corresponding to VEP, CEP, and MEP.
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